If you look at the ingredients for Alka-Seltzer, you will find that it contains citric acid and sodium bicarbonate (baking soda). When you drop the tablet in water, the acid and the baking soda react -- this produces the fizz.
Shake and Bake A new and increasingly widespread technique also known as one pot, this condenses the anhydrous method's many steps and requires only a plastic soda bottle, the size of which depends on the quantity of meth the cook intends to make.
I agree with curlyjo_33 (350 degrees for 45 minutes) I like to use Shake and Bake and it suggests the same time. I also let it thaw for 8-12 hours in the refrigerator first. If you thaw it on the counter it could get infected. Source(s): Shake and Bake. Dan S Â· 1 decade ago.